File:Marteloio alargar.jpg
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Summary
| Description |
English: Depiction of the Rule of Marteloio, from the 1436 atlas of Venetian captain Andrea Bianco - Step 1, calculating the alargar and avanzar. The ship's intended course is from A to B (bearing East), but winds force it to sail actual course from A to C (bearing Southeast-by-east, for 100 miles). The alargar (current distance from intended course) is obtained from the first column of the Toleta de marteloio (Bianco's table), while the avanzar (gain on intended course) is obtained from the second column. |
| Date | |
| Source | Own work |
| Author | Walrasiad |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:32, 21 July 2011 | | 3,799 × 1,734 (399 KB) | Walrasiad | {{Information |Description ={{en|1=Depiction of the Rule of Marteloio, from the 1436 atlas of Venetian captain Andrea Bianco - Step 1, calculating the ''alargar'' and ''avanzar''. The ship's intended course is from A to B (bear |
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